Haruka Kiritani is one of the central characters in the rhythm game and multimedia project Project Sekai: Colorful Stage! feat. Hatsune Miku. As a member of the idol group MORE MORE JUMP!, Haruka is a former center idol who left the spotlight after a setback in her career. She is determined, hardworking, and has a gentle demeanor. Throughout the series, Haruka navigates her feelings of insecurity and self-worth as she bonds with her group and strives to shine again as an idol.